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What did you do Today 2018

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Neil Wyatt20/10/2018 19:33:07
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Posted by Muzzer on 20/10/2018 17:54:51:

Have I got the right end of the stick? Can I still access the editions that came out when I was subscribed?

Murray

Hello Murray,

You can still view and download them through your Pocketmags account, if not then contact their customer services in the first instance.

Archive access ends when your subscription expires (actually you get about a month's grace).

Neil

Neil Wyatt20/10/2018 19:33:50
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Posted by Bazyle on 20/10/2018 18:30:11:

On the MEW cover above why are there two cute little robots hugging the engine?

That's a special feature of Alibre - 'extrude cute'.

N.

Neil Wyatt21/10/2018 19:35:24
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16662 forum posts
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Finally fitted a new start capacitor to my bandsaw. It seems to be impossible to find one as small as the original, so I ended up dremelling the end of the cover off and using it as a clamp/shroud with the insulated end of the capacitor sticking out. Reused the fibreglass wire sheaths but added heatshrink to stop it moving.

I tested the old and new 12.5uF capacitors in one of the little component tester modules recommended in a recent thread. The new one came out as about 13uF and 0.1R ESR. The old one has dropped to 1.3uF and 11R ESR, enough to start the motor with no load but not with the belt fitted.

Neil

Boiler Bri21/10/2018 21:49:59
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806 forum posts
285 photos

I ran my sm32 Charles poorter engine around my small oval track on my decking this weekend. After the first steaming I topped her up with water and meths, I normally squirt a small amount of meths around the boiler to light it, so no difference there but the whole thing went up in 🔥 ahh panic luckily I was near the watering can and put it out. No damage done but on inspection the tube that feeds the wicks had become detached from the reservoir tank and when I filled it up it had run out onto the floor underneath.

I have stripped all the paint off the bits tonight and it's only softsoldered 😤 It's been ok since 1980's so I will re solder it and check all the other joints at the same time

Mark Rand24/10/2018 17:51:11
789 forum posts

Accidentally popped an expensive angular contact ball bearing apart. Not a high precision or high load one, just an ALS11 3" OD Imperial one, which are becoming quite rare.

Luckily all the balls fell quite close and I could clean it all up, pop it back together, re-grease it and finish fitting it. There was a limited amount of profanity involved in the event.

Ron Laden24/10/2018 18:17:44
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1425 forum posts
245 photos

Ordered the material today for the traction engine boiler and firebox but its not what would be considered a conventional approach...wink

martin perman24/10/2018 18:34:32
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1677 forum posts
70 photos

I spent this morning cutting and welding a trailer ready to fit a new tow hitch and other mods, I haven't used my stick welder for a while and there were quite a few s**te hawks flapping around whilst I was doing it laugh

Martin P

Paul Kemp24/10/2018 19:17:57
313 forum posts
14 photos

Posted by Ron Laden on 24/10/2018 18:17:44:

Ordered the material today for the traction engine boiler and firebox but its not what would be considered a conventional approach...wink

Ron,

I hope we get to see a thread on it??

Paul.

Ron Laden24/10/2018 19:33:51
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1425 forum posts
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Posted by Paul Kemp on 24/10/2018 19:17:57:

Posted by Ron Laden on 24/10/2018 18:17:44:

Ordered the material today for the traction engine boiler and firebox but its not what would be considered a conventional approach...wink

Ron,

I hope we get to see a thread on it??

Paul.

Hi Paul, I dont know I will think about it, although I,ve said it will be non scale and simplified it probably wont go down well with some, I dont want to upset anyone..smile

JC5424/10/2018 20:25:55
98 forum posts
1 photos

I spent a lot of the day getting ME mags in order and sorted ready to scan all of the episodes on building the ME Vertical boiler so that I can combine them into one PDF file. I can then just print out the pages to take into the workshop as I need them and not get the original mags. messed up. The reason it took so long? reading articles that I had forgotten along the way.. Anno Domini.

Neil Wyatt24/10/2018 20:33:08
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16662 forum posts
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Printed a custom case for one of those cheap-as-chips component tester modules I mentioned above.

Then had a fun session trying out my box of (mostly germanium) old transistors and getting hfe and Vf readings.

GET 885 hfe=199, Vf 164mV (I assume this is Vbe)

It seems to be a bit sensitive to poor contacts caused by tarnished leads, sometime giving a spurious Hfe less than 10 but re-insertion usually gives a more believable reading.

It gives vf and capacitance for diodes, capacitance and ESR for capacitors, resistance for... resistors! Haven't tried a coil yet.

Neil

Gray25/10/2018 10:08:21
1015 forum posts
8 photos
Posted by Neil Wyatt on 24/10/2018 20:33:08:

Printed a custom case for one of those cheap-as-chips component tester modules I mentioned above.

Neil

Can you post details of the tester you bought, had a search but can't find any details in other threads.

tks

Gray

Mark Rand25/10/2018 10:38:08
789 forum posts
Posted by Neil Wyatt on 24/10/2018 20:33:08:

GET 885 hfe=199, Vf 164mV (I assume this is Vbe)

Memories of OC28 'power' transistors hFE=20 surprise.

duncan webster25/10/2018 10:44:41
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2255 forum posts
32 photos
Posted by Neil Wyatt on 24/10/2018 20:33:08:

Printed a custom case for one of those cheap-as-chips component tester modules I mentioned above.

Then had a fun session trying out my box of (mostly germanium) old transistors and getting hfe and Vf readings.

GET 885 hfe=199, Vf 164mV (I assume this is Vbe)

It seems to be a bit sensitive to poor contacts caused by tarnished leads, sometime giving a spurious Hfe less than 10 but re-insertion usually gives a more believable reading.

It gives vf and capacitance for diodes, capacitance and ESR for capacitors, resistance for... resistors! Haven't tried a coil yet.

Neil

Co-indidentally I built mine into a box over the weekend so that the battery isn't hanging on the end of a wire. If I'd cut the hole for the dispaly the right size to begin with it wouldn't have needed the srtainless bezel, but it does add a touch of je-ne-sais-quoi.
box came from Maplins clearance sale

 

img_3398 (small).jpg

 

img_3399 (small).jpg

Edited By duncan webster on 25/10/2018 10:45:31

Edited By duncan webster on 25/10/2018 10:46:05

D.A.Godley25/10/2018 17:19:01
90 forum posts
35 photos

A few evenings back , I was re reading some old ME magazines, and in the September 2004 copy , I came across an article penned by our illustrious editor “ Neil” detailing his design for a Clarke 300 spindle turning handle .

As it happens, I was considering making one for my bigger Lathe , but since this would also be of help , on a lathe I use to produce small parts , I thought I would give it a go .

I have finished it today and I must say , I am pretty impressed with it . I shall now upscale the design to suite my larger Lathe , thank you Neil , just the ticket .

Neil Wyatt25/10/2018 17:43:44
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16662 forum posts
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Anyone wanting one of these should search diode transistor capacitance tester' and look for a module like that in Duncan's photo. here's my design, but I'll hold on photos as they will probably be in MEW 275.

tester.jpg

Neil Wyatt25/10/2018 17:45:24
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16662 forum posts
687 photos
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Posted by D.A.G. on 25/10/2018 17:19:01:
I shall now upscale the design to suite my larger Lathe , thank you Neil , just the ticket .

Thanks! I keep meaning to make one for my SC4. That short collet was probably my best idea ever!

Neil

Bob Mc26/10/2018 19:26:08
143 forum posts
30 photos

Been messing about with Mogens Kildes Double diagonal engine...

Have made most of it in perspex as I hope to use it as a template for cutting the steel frames & cylinders, also trying my idea of wedge shaped cross head guides which saves quite an amount of metal and fixing and the cylinders are fed compressed air through the frames instead of external pipes...hopefully.

dsc_0061.jpg

V8Eng26/10/2018 20:26:03
1323 forum posts
28 photos

I spent a fair part of today repairing curved panels etc on the wife’s greenhouse ready for the predicted cold weather.

I ordered some parts online from Halls Greenhouses on Tuesday at 11.50 they were delivered by Parcelforce at 09.15 on Wednesday, brilliant service.

Ian P26/10/2018 20:35:16
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2220 forum posts
90 photos

Not today's work but this is a component tester I made up a couple of years ago, I'm not sure if its the same electronics as the one Neil mentions though. I think it has the same functionality as his but the display looks to be a different format. I extended the tact switch through the panel by mounting a LED on top of it so that it became the button. I have a large assortment of test leads, clips, and adapters all of which use 4mm banana plugs so the three sockets on the front work well for me but a miniature low voltage 'Safeblock' would have been my second choice if one had existed.

Ian P

cased component tester.jpg

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